Home / 801,008.20-1,199,762.70-622,111.60

Finding the Fourth Proportional to 801,008.20, 1,199,762.70 and 622,111.60

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Solution

The fourth proportional to 801,008.20, 1,199,762.70 and 622,111.60 is: 931,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,008.20 : 1,199,762.70 = 622,111.60 : x
  2. Step 2: Convert to fraction form
    801,008.20/1,199,762.70 = 622,111.60/x
  3. Step 3: Cross multiply
    801,008.20x = 1,199,762.70 × 622,111.60
  4. Step 4: Simplify right side
    801,008.20x = 746,386,292,917.32
  5. Step 5: Solve for x
    x = 746,386,292,917.32/801,008.20
  6. Step 6: Final answer
    x = 931,808.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.